Métro line 4 in the direction of Porte de Clignancourt/Porte d'Orléans. Get off at Odéon station, the Rue de Seine is 300m along Boulevard St-Germain on the right.Métro line 10 in the direction of Gare d'Austerlitz/Boulogne - Pont de Saint-Cloud. Get off at Mabillon station, the Rue de Seine is 100m along Boulevard St-Germain on the left.